LR7843 MOSFET Control Module Relay Replacement | High Power MOSFET Trigger Switch Board 3V-5V PWM Control

LR7843 MOSFET Control Module Relay Replacement | High Power MOSFET Trigger Switch Board 3V-5V PWM Control 

The LR7843 MOSFET Control Module Replacement Relay is a high-power electronic switching module designed to replace traditional mechanical relays. It uses an LR7843 MOSFET transistor to provide fast, silent, and efficient switching with longer life compared to normal relay modules.

This module supports 3V or 5V control signals, making it compatible with Arduino, Raspberry Pi, ESP32, PLC, and other microcontrollers. With built-in optocoupler isolation, the control circuit and load circuit are separated, which helps reduce noise and protects sensitive electronics.

Click here to view related products

Features

• Model: LR7843 MOSFET module
• Control signal: 3V / 5V compatible
• MOSFET rating: up to 30V high current switching
• Supports PWM control
• Optocoupler isolation for safety
• Fast switching without noise
• Small size PCB design
• Easy wiring terminals
• Long life compared to relay

Applications

• Motor speed control
• LED dimming control
• Battery switching circuit
• Arduino / ESP32 / IoT projects
• Robotics projects
• Solenoid valve control
• Power switching circuits
• DIY electronics projects